Home / 5,113,063.20-7,056,173.75-2,821,371.51

Finding the Fourth Proportional to 5,113,063.20, 7,056,173.75 and 2,821,371.51

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Solution

The fourth proportional to 5,113,063.20, 7,056,173.75 and 2,821,371.51 is: 3,893,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,063.20 : 7,056,173.75 = 2,821,371.51 : x
  2. Step 2: Convert to fraction form
    5,113,063.20/7,056,173.75 = 2,821,371.51/x
  3. Step 3: Cross multiply
    5,113,063.20x = 7,056,173.75 × 2,821,371.51
  4. Step 4: Simplify right side
    5,113,063.20x = 19,908,087,587,859.86
  5. Step 5: Solve for x
    x = 19,908,087,587,859.86/5,113,063.20
  6. Step 6: Final answer
    x = 3,893,573.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.